Created attachment 8868089 [details] Screenshot from 2017-05-15 12-44-34.png Every time I try to interact with mozilla's corporate google calendar (reply to an event, create an event, delete an event) I get a "failed" message. You can also check the attached image for the output of the console. This issue has also been noticed from other colleagues as well. Firefox version: 52.0.2 1. Steps to reproduce: 2. Open Mozilla's corporate google calendar 3a. Try to create a new event 3b. Try to respond to an event 3c. Try to delete an event
I've been experiencing this too as have a number of other people in the office.
People on IRC report that clearing all google cookies fixes this. I can confirm that it didn't work for me in my existing profile, but worked in a fresh profile. I think it's unlikely to be a JS engine problem.
Summary: [qf] Failing to interact with google calendar → creating/editing events with google calendar fails when existing Google cookies are present
And as the screenshot points out -- the difference visible in the Network devtools tab between the working case and broken case is that the POST to https://calendar.google.com/calendar/event returns 200 OK vs 403 Forbidden status. I don't see other obvious differences, and the error in the upper line in the screenshot doesn't seem relevant since it occurs in both the working and broken case.
I just ran into this problem too on Beta54.
status-firefox54: --- → affected
I use Google Calendar regularly and just hit the problem today on Nightly. Deleting the Google Calendar cookies solved the problem.
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